initial buildroot for linux 5.15

package/ytree/0001-fix-musl.patch

@@ -0,0 +1,26 @@
+Fix musl build
+
+Fixes
+
+  match.c.text+0x9c): undefined reference to `re_comp'
+  match.c.text+0xca): undefined reference to `re_exec'
+
+by forcing to use the 'modern' regex methods implementation instead of
+the obsolete re_comp/re_exec ([1]) one?
+
+[1] http://man7.org/linux/man-pages/man3/re_comp.3.html
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+
+diff -uNr ytree-1.99pl2.orig/match.c ytree-1.99pl2/match.c
+--- ytree-1.99pl2.orig/match.c	2019-09-29 12:37:57.000000000 +0200
++++ ytree-1.99pl2/match.c	2019-10-01 19:46:56.193815327 +0200
+@@ -10,7 +10,7 @@
+ #include "ytree.h"
+ 
+ #if defined( sun ) || defined( linux ) || defined( __NeXT__ ) || defined( OSF1 ) ||  defined( __OpenBSD__ ) || defined(__NetBSD__) || defined( __FreeBSD__ ) || defined( __GNU__ )
+-#define HAS_REGEX
++#define HAS_REGCOMP
+ #endif
+ 
+ #ifdef linux

package/ytree/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_YTREE
+	bool "ytree"
+	depends on BR2_USE_MMU # fork()
+	select BR2_PACKAGE_NCURSES
+	help
+	  Ytree - a (curses-based) file manager similar to DOS Xtree(tm)
+
+	  https://www.han.de/~werner/ytree.html

package/ytree/ytree.hash

@@ -0,0 +1,3 @@
+# Locally computed
+sha256  583aa71552d1347e0eabe39a236fa5a174bf67dde98871853b9fe2a233bcaef1  ytree-2.03.tar.gz
+sha256  eb6bf7204569b4fe8eaf9d4dffc57e44047c5efb5deba1b2d99069ddbc99d031  COPYING

package/ytree/ytree.mk

@@ -0,0 +1,31 @@
+################################################################################
+#
+# ytree
+#
+################################################################################
+
+YTREE_VERSION = 2.03
+YTREE_SITE = https://www.han.de/~werner
+YTREE_LICENSE = GPL-2.0+
+YTREE_LICENSE_FILES = COPYING
+YTREE_DEPENDENCIES = ncurses
+
+YTREE_CFLAGS = -DCOLOR_SUPPORT $(TARGET_CFLAGS)
+YTREE_LDFLAGS = -lncurses $(TARGET_LDFLAGS)
+
+ifeq ($(BR2_PACKAGE_READLINE),y)
+YTREE_DEPENDENCIES += host-pkgconf readline
+YTREE_CFLAGS += -DREADLINE_SUPPORT
+YTREE_LDFLAGS += `$(PKG_CONFIG_HOST_BINARY) --libs readline`
+endif
+
+define YTREE_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(TARGET_CONFIGURE_OPTS) \
+		CFLAGS="$(YTREE_CFLAGS)" LDFLAGS="$(YTREE_LDFLAGS)"
+endef
+
+define YTREE_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR="$(TARGET_DIR)/usr" install
+endef
+
+$(eval $(generic-package))